if you're a man with low testosterone, you should know that axiron here. the only underarm treatment for low t. that's right, the one you apply to the underarm. axiron is not for use in women or anyone younger than 18. axiron can transfer to others through direct contact. women, especiay those who are or who may become pregnant, and children should avoid contact where axiron is applied as unexpected signs of puberty in children orhanges in body hair or increased acnen women may occur. report these signs and symptoms to your doctor if they occur. tell your doctor about all medical conditions and medications. do not use if you have prostate or breast cancer. serious side effects could include increased risk of prostate cancer; worsening prostate symptoms; decreased sperm count; ankle, feet, or body swelling; enlarged or painful breasts; problems breathing while sleeping; and blood clots in the legs. common side effects include skin redness or irritation where applied, increased red blood cell count, headache, diarrhea, vomiting, and increase in psa. see your doctor, and for a 30-day free trial, go to axiron.com.